Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:27 2013 Optimize a model with 13392 rows, 13032 columns and 51912 nonzeros Presolve removed 36 rows and 0 columns Presolve time: 0.06s Presolved: 13356 rows, 13032 columns, 51876 nonzeros Variable types: 12996 continuous, 36 integer (36 binary) Root relaxation: objective 3.215533e+04, 1844 iterations, 0.29 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 32155.3256 0 30 - 32155.3256 - - 0s H 0 0 37889.000000 32155.3256 15.1% - 0s 0 0 35762.3259 0 9 37889.0000 35762.3259 5.61% - 0s H 0 0 36641.000000 35762.3259 2.40% - 0s 0 0 35897.3992 0 2 36641.0000 35897.3992 2.03% - 1s H 0 0 36467.505739 35897.3992 1.56% - 1s H 0 0 36249.000000 35897.3992 0.97% - 1s H 0 0 35983.000000 35897.3992 0.24% - 1s 0 2 35899.2105 0 2 35983.0000 35899.2105 0.23% - 1s * 5 1 4 35963.000000 35963.0000 0.0% 33.2 1s Cutting planes: Implied bound: 30 Explored 6 nodes (2976 simplex iterations) in 1.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.596300000000e+04, best bound 3.596300000000e+04, gap 0.0%